huffman.h

huffman编码解码用于压缩

#include <stdio.h>
#include <iostream.h>
#include <malloc.h>
#include <stdlib.h>
#include <string.h>
#include <windows.h>

#define  OVERFLOW  -2
#define  OK         1
#define  ERROR      0
#define  FALSE      0
#define  TRUE       1
#define  N          256

typedef struct
{
	unsigned int weight;
	unsigned int parent,lchild,rchild;
}HTNode ,*HuffmanTree;
typedef char * * HuffmanCode;

void HuffmanCoding(HuffmanTree &HT,HuffmanCode &HC,int *w,int n);
void HuffmanDecoding(HuffmanTree HT,int n,char *);
void Select(HuffmanTree ,int ,int &,int&);
void HuffmanCompress();
void HuffmanDeCompress();
void mainmenu();
void ProgressBar();
void ReturnMenu();